﻿/* 
 * Copyright (c) 2009 Intel Corporation
 * All rights reserved.
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * -- Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * -- Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * -- Neither the name of the Intel Corporation nor the names of its
 *    contributors may be used to endorse or promote products derived from
 *    this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE INTEL OR ITS
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * 
 * Contributor: Nathan Letwory
 */

using System;

namespace VerseSharp
{

    public delegate void ObjectMethodGroupCreateCallback(ObjectMethodGroupCreateCommand command);
    public delegate void ObjectMethodGroupDestroyCallback(ObjectMethodGroupCreateCommand command);

    public class ObjectMethodGroupCreateCommand : IVerseCommand
    {
        public CommandID ID { get { return CommandID.ObjectMethodGroupCreate; } }
        /// <summary>
        /// ID of node to which method group is created.
        /// </summary>
        public uint NodeID;
        /// <summary>
        /// ID of the method group.
        /// </summary>
        public ushort GroupID;
        /// <summary>
        /// Name of the method group. Maximum 16 bytes long. Set to null if the method group is destroyed.
        /// Names longer than 16 are truncated.
        /// </summary>
        private string _name;
        public string Name
        {
            get { return _name; }
            set
            {
                if (value != null)
                {
                    if (value.Length <= 16)
                    {
                        _name = value;
                    }
                    else
                    {
                        _name = value.Substring(0, 16);
                    }
                }
            }
        }
        /// <summary>
        /// True if this was a destroy command. Set during deserialization.
        /// </summary>
        public bool Destroy;

        public void Deserialize(byte[] source, ref int pos)
        {
            NodeID = Utils.GetUInt32(source, ref pos);
            GroupID = Utils.GetUInt16(source, ref pos);
            _name = Utils.GetString(source, 16, ref pos);
            if (String.IsNullOrEmpty(_name))
            {
                Destroy = true;
            }
        }

        public void Serialize(byte[] destination, ref int pos)
        {
            Utils.PutUInt32(destination, ref pos, NodeID);
            Utils.PutUInt16(destination, ref pos, GroupID);
            if (String.IsNullOrEmpty(_name) || Destroy == true)
                destination[pos++] = 0;
            else
                Utils.PutString(destination, _name, 16, ref pos);
        }
    }
}
